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Checking and securing understanding of nets of solids

I can relate a solid to its net, draw a solid from its net and draw a net from its solid.

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Year 11

Checking and securing understanding of nets of solids

I can relate a solid to its net, draw a solid from its net and draw a net from its solid.

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Lesson details

Key learning points

A net is composed of polygons.
Folding a net along certain edges and joining others, produces a solid.
By studying the polygons in the net, you can deduce what solid is made.
By studying the solid, you can draw the net.

Keywords

Net - The net of a 3D object is a 2D representation of its surfaces that can be folded up into the 3D object.

Common misconception

Pupils may misconfigure the net, believing that as long as the shapes of the faces are correct, the net will fold to be the desired 3D shape.

Have pupils mark/label/colour the edges that will join upon folding the net, this will ensure they are the correct length.

Some pupils will struggle with visualising a net folding to make the solid. Videos, interactivities, 3D shapes and tiles can support them to physically see the net folding and unfolding.

Teacher tip

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